403145121200044 has 24 divisors (see below), whose sum is σ = 736199800697088. Its totient is φ = 192802838936400.

The previous prime is 403145121200033. The next prime is 403145121200051. The reversal of 403145121200044 is 440002121541304.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 403145121199979 and 403145121200015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61610712 + ... + 67839295.

It is an arithmetic number, because the mean of its divisors is an integer number (30674991695712).

Almost surely, 2^{403145121200044} is an apocalyptic number.

It is an amenable number.

403145121200044 is a deficient number, since it is larger than the sum of its proper divisors (333054679497044).

403145121200044 is a wasteful number, since it uses less digits than its factorization.

403145121200044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129483885 (or 129483883 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 403145121200044 its reverse (440002121541304), we get a palindrome (843147242741348).

The spelling of 403145121200044 in words is "four hundred three trillion, one hundred forty-five billion, one hundred twenty-one million, two hundred thousand, forty-four".